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Noah

Graduate student at UNC Chapel Hill. Author of R packages cobalt and WeightIt for causal inference.

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  • Durham, NC, United States
  • ngreifer
  • Member for 3 years, 3 months
  • 471 profile views
  • Last seen 24 mins ago

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Top posts (317) All Questions Answers | Votes Newest

10 In R, how do I test $H_0: \beta_1+\beta_2=0$ Aug 8
10 Why are exponentiated logistic regression coefficients considered “odds ratios”? Aug 9 '18
8 Representing interaction effects in directed acyclic graphs Jun 6 '18
8 McNemar or Fisher exact test for propensity score matched data? Jun 12 '18
6 Do I need to discard 90% of experiments so that the sample is independent? Jun 15 '18
6 What is the reasoning behind standardization (dividing by standard deviation)? Mar 18
5 multiple imputation and propensity scores Jul 2 '16
5 Alternative analysis to propensity score matching for small sample sizes? Dec 11 '16
4 Using age categories in regression Jul 22
4 Favored methods for overcoming selection bias (special attention to healthcare fields)? Aug 19
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